<tal:block metal:define-macro="standard">

  <span tal:condition="not:lic_act | NULL">
    <tal:block metal:use-macro="inventory/license/liste.xhtml/standard" />
  </span>

  <span tal:condition="lic_act | NULL">
    <tal:block metal:use-macro="inventory/license/${lic_act}.xhtml/standard" />
  </span>

</tal:block>